On Thu, Sep 15, 2016 at 06:36:30PM +0200, Danny Milosavljevic wrote: > ASoC: sun4i-codec: The A20 has a few extra registers that the A10 > doesn't have. > Therefore, use different regmaps for A10 as compared to A20.
Same comment with the commit log.
>
> Signed-off-by: Danny Milosavljevic <dan...@scratchpost.org>
> ---
> sound/soc/sunxi/sun4i-codec.c | 33 ++++++++++++++++++++++++++++++---
> 1 file changed, 30 insertions(+), 3 deletions(-)
>
> diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
> index 3b53b78..c5d6d84c 100644
> --- a/sound/soc/sunxi/sun4i-codec.c
> +++ b/sound/soc/sunxi/sun4i-codec.c
> @@ -682,12 +682,37 @@ static const struct regmap_config
> sun4i_codec_regmap_config = {
> .reg_bits = 32,
> .reg_stride = 4,
> .val_bits = 32,
> + .max_register = SUN4I_CODEC_ADC_RXCNT,
> +};
> +
> +static const struct regmap_config sun7i_codec_regmap_config = {
> + .reg_bits = 32,
> + .reg_stride = 4,
> + .val_bits = 32,
> .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
> };
>
> +struct sun4i_codec_quirks {
> + const struct regmap_config *regmap_config;
> +};
> +
> +static const struct sun4i_codec_quirks sun4i_codec_quirks = {
> + .regmap_config = &sun4i_codec_regmap_config,
> +};
> +
> +static const struct sun4i_codec_quirks sun7i_codec_quirks = {
> + .regmap_config = &sun7i_codec_regmap_config,
> +};
> +
> static const struct of_device_id sun4i_codec_of_match[] = {
> - { .compatible = "allwinner,sun4i-a10-codec" },
> - { .compatible = "allwinner,sun7i-a20-codec" },
> + {
> + .compatible = "allwinner,sun4i-a10-codec",
> + .data = &sun4i_codec_quirks,
> + },
> + {
> + .compatible = "allwinner,sun7i-a20-codec",
> + .data = &sun7i_codec_quirks,
> + },
> {}
> };
> MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
> @@ -760,6 +785,7 @@ static int sun4i_codec_probe(struct platform_device *pdev)
> {
> struct snd_soc_card *card;
> struct sun4i_codec *scodec;
> + const struct sun4i_codec_quirks *quirks;
> struct resource *res;
> void __iomem *base;
> int ret;
> @@ -777,8 +803,9 @@ static int sun4i_codec_probe(struct platform_device *pdev)
> return PTR_ERR(base);
> }
>
> + quirks = of_device_get_match_data(&pdev->dev);
And you probably want to check that quirks isn't null there.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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